| QName | Type | Fixed | Default | Use | Inheritable | Annotation |
|---|---|---|---|---|---|---|
| EndTime | ifc:IfcTime | optional | ||||
| StartTime | ifc:IfcTime | optional | ||||
| href | xs:anyURI | optional | ||||
| id | xs:ID | optional | ||||
| path | xs:NMTOKENS | optional | ||||
| pos | restriction of list of xs:integer | optional | ||||
| ref | xs:IDREF | optional |
<xs:element name="IfcTimePeriod" type="ifc:IfcTimePeriod" substitutionGroup="ifc:Entity" nillable="true"/> |